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authorVinod Koul <vinod.koul@linux.intel.com>2012-03-13 11:09:49 +0400
committerVinod Koul <vinod.koul@linux.intel.com>2012-03-13 11:09:49 +0400
commit1f3d6dc0be92f0caca937926cca16ec4fdd585a3 (patch)
treea12562009ae984dd16ed080af13d0036b88a93a7 /drivers/dma/imx-sdma.c
parent5170c051a56244816d948c43592c1b2805ed4f3a (diff)
parent949ff5b8d46b5e3435d21b2651ce3a2599208d44 (diff)
downloadlinux-1f3d6dc0be92f0caca937926cca16ec4fdd585a3.tar.xz
Merge branch 'rmk_cookie_fixes2' into next
Conflicts: drivers/dma/imx-dma.c drivers/dma/pl330.c Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma/imx-sdma.c')
-rw-r--r--drivers/dma/imx-sdma.c23
1 files changed, 6 insertions, 17 deletions
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index f0bfc0e07416..5da552d1f92d 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma/imx-sdma.c
@@ -43,6 +43,8 @@
#include <mach/dma.h>
#include <mach/hardware.h>
+#include "dmaengine.h"
+
/* SDMA registers */
#define SDMA_H_C0PTR 0x000
#define SDMA_H_INTR 0x004
@@ -267,7 +269,6 @@ struct sdma_channel {
struct dma_chan chan;
spinlock_t lock;
struct dma_async_tx_descriptor desc;
- dma_cookie_t last_completed;
enum dma_status status;
unsigned int chn_count;
unsigned int chn_real_count;
@@ -529,7 +530,7 @@ static void mxc_sdma_handle_channel_normal(struct sdma_channel *sdmac)
else
sdmac->status = DMA_SUCCESS;
- sdmac->last_completed = sdmac->desc.cookie;
+ dma_cookie_complete(&sdmac->desc);
if (sdmac->desc.callback)
sdmac->desc.callback(sdmac->desc.callback_param);
}
@@ -814,19 +815,6 @@ out:
return ret;
}
-static dma_cookie_t sdma_assign_cookie(struct sdma_channel *sdmac)
-{
- dma_cookie_t cookie = sdmac->chan.cookie;
-
- if (++cookie < 0)
- cookie = 1;
-
- sdmac->chan.cookie = cookie;
- sdmac->desc.cookie = cookie;
-
- return cookie;
-}
-
static struct sdma_channel *to_sdma_chan(struct dma_chan *chan)
{
return container_of(chan, struct sdma_channel, chan);
@@ -840,7 +828,7 @@ static dma_cookie_t sdma_tx_submit(struct dma_async_tx_descriptor *tx)
spin_lock_irqsave(&sdmac->lock, flags);
- cookie = sdma_assign_cookie(sdmac);
+ cookie = dma_cookie_assign(tx);
spin_unlock_irqrestore(&sdmac->lock, flags);
@@ -1127,7 +1115,7 @@ static enum dma_status sdma_tx_status(struct dma_chan *chan,
last_used = chan->cookie;
- dma_set_tx_state(txstate, sdmac->last_completed, last_used,
+ dma_set_tx_state(txstate, chan->completed_cookie, last_used,
sdmac->chn_count - sdmac->chn_real_count);
return sdmac->status;
@@ -1368,6 +1356,7 @@ static int __init sdma_probe(struct platform_device *pdev)
spin_lock_init(&sdmac->lock);
sdmac->chan.device = &sdma->dma_device;
+ dma_cookie_init(&sdmac->chan);
sdmac->channel = i;
/*